Flash
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Flash
Kaylene Klingenstein
Sasha Frankhouser
What can you do with it?
MAKE YOUR OWN!
Animated movies
Web-based banner advertisements
Games
Web-based applications
Special Effects
Examples
Animated movie clip
www.m082256.it452.cs.usna.edu/demoFlash.html
Web-based banner advertisements
http://www.neteffects1.net/mainsite/examples.html
Games
http://www.albinoblacksheep.com/flash/bluebutton
http://www.mrpicassohead.com/create.html?skin=original
Web-based applications
http://www.funtrivia.com/flashquiz/index.cfm?qid=50603
http://www.bytescout.com/swfscout_flash_demo_slideshow
_src.html
Basics
Adobe Flash refers to the Adobe Flash Player and
multimedia program, which creates animation,
games, movies, etc.
Available in most web browsers
Uses vector based graphics (won’t lose clarity of
image with sizing)
Scripting language ActionScript
Flash files -- .swf extension
May be implemented in several ways:
Object of a webpage
Played in the Flash Player
Self-executing Flash movie
Can have user interaction
What is Action Script?
Java-like object-oriented scripting language
Creates most of the interactivity in Flash apps
First introduced in 2000 with Flash 5
Adds interactivity to applications
Predefined constants
ENTER, BACKSPACE, SPACE, TAB
Example ActionScript Code
onClipEvent(load)
{function reset()
{
if(this._name=="face")
{
this._visible=false;
}
else
{
this._visible=true;
}
this.dead=0;
this.speed=random(4)+3;
this._x=600;
this._y=random(400);
}
this.reset();
}
onClipEvent(enterFrame)
{
this._x-=this.speed;
if(this._x<-40)
{
this.reset();
}
}
History
Started with the FutureWave Software company
members who specialized in vector-based web
animation tools
The first model “SmartSketch” became
“FutureSplash Animator”
Offered to Adobe, used by Microsoft
1996 officially introduced as Flash 1.0
Updated Macromedia Flash version released each
year until 2000
In 2001, of the 10 biggest websites, 7 used Flash
Now up to Flash Player 9 in 2007, and Flash CS3
Future developments
Using Flash with handheld devices
Option to require an ad to be played before
main video is played (good for video sites)
Being considered a viable addition to the
capabilities of a browser
Free alternatives
Gnash – under development
UIRA, Openswif
Open source, creates flash development environment
Drawbacks
If not installed, users cannot access some
Flash-dependent sites
Used in aggressive online advertising
Tools can permanently turn Flash Player off in
some websites
How does it compare?
Why Flash is better
Basically, it condenses several programs into
one. In Flash you can:
Draw your shapes/objects
Edit your code
See it played (preview it before running it)
Edit timeline of events
Save it as a .swf file
Putting .swf in HTML
<html>
<head>
<title>FLASH</title>
</head>
<body>
<object classid = "clsid:d27cdb6e-ae6d11cf-96b8-4444553540000“ codebase =
"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0"
>
<param name = "movie" value = "demotry.swf">
<embed src = "demotry.swf" pluginspage = "http://www.macromedia.com/go/getflashplayer">
</embed>
<noembed>
GET FLASH!
</noembed>
</object>
</body>
</html>
Questions?
